/Engine/Source/Runtime/Datasmith/CADKernel/Public/CADKernel/Topo/TopologicalEdge.h
true if it is ~tangent with the edge at their extremities i.e Cos(tangents) > cos(30 deg)
bool IsTangentAtExtremitiesWith ( const [FTopologicalEdge](API\Runtime\CADKernel\CADKernel\Topo\FTopologicalEdge) & Edge ) const